package com.lunasoft.nettyniodemo;

import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.DelimiterBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;

/**
 * @author Jierry
 * @version 2016/7/6.
 */
public class TimeClient {

    public void connect(int port,String host) throws Exception{
        EventLoopGroup group = new NioEventLoopGroup(); //处理客户端的线程组
        try {
            Bootstrap b = new Bootstrap();  //启动
            b.group(group)
                    .channel(NioSocketChannel.class)
                    .option(ChannelOption.TCP_NODELAY,true)
                    .handler(new ChannelInitializer<SocketChannel>() {
                        protected void initChannel(SocketChannel socketChannel) throws Exception {
                            //socketChannel.pipeline().addLast(new LineBasedFrameDecoder(1024));
                            ByteBuf delimiter = Unpooled.copiedBuffer("$_".getBytes());
                            socketChannel.pipeline().addLast(new DelimiterBasedFrameDecoder(1024,delimiter));
                            socketChannel.pipeline().addLast(new StringDecoder());
                            socketChannel.pipeline().addLast(new TimeClientHandle());
                        }
                    });
            ChannelFuture f = b.connect(host,port).sync();//发起异步连接
            f.channel().closeFuture().sync();
        }finally {
            group.shutdownGracefully();
        }
    }

    public static void main(String[] args) throws Exception{
        int port = 9097;
        if (args != null && args.length > 0) {
            try {
                port = Integer.valueOf(args[0]);
            } catch (NumberFormatException e) {

            }
        }
        new TimeClient().connect(port,"127.0.0.1");
    }
}
